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Bidder Code roundel Member yes
Prebid.js Adapter yes Prebid Server Adapter yes
Media Types display, video Multi Format Support check with bidder
TCF-EU Support yes IAB GVL ID 10
GPP Support check with bidder DSA Support check with bidder
USP/CCPA Support yes COPPA Support yes
Supply Chain Support yes Demand Chain Support check with bidder
Safeframes OK check with bidder Supports Deals check with bidder
Floors Module Support check with bidder First Party Data Support check with bidder
User IDs identityLink, netId, fabrickId, zeotapIdPlus ORTB Blocking Support check with bidder
Privacy Sandbox check with bidder Prebid Server App Support yes


Roundel is an aliased bidder for Index Exchange and must be configured alongside the IdentityLink user ID module.

Bid Params

Bidder params for roundel follow the same structure as the Index Exchange bidder. Please reference configuration examples here.

"Send All Bids" Ad Server Keys

These are the bidder-specific keys that would be targeted within GAM in a Send-All-Bids scenario. GAM truncates keys to 20 characters.
hb_pb_roundel hb_bidder_roundel hb_adid_roundel
hb_size_roundel hb_source_roundel hb_format_roundel
hb_cache_host_rounde hb_cache_id_roundel hb_uuid_roundel
hb_cache_path_rounde hb_deal_roundel

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